26) Consider six files : F1, F2, F3, F4, F5, F6 with corresponding sizes 100, 200, 70, 40, 250 and 50 respectively, the files are to be stored on a sequential device in such a way that as to optimize access time. In what order should the files be stored?

F6, F5, F4, F3, F2, F1

F1 F2, F3, F4, F5, F6

F5, F2, F1, F3, F6 , F4

F4, F6, F3, F1 F2, F5

Answer is:

F4, F6, F3, F1 F2, F5

Operating System MCQ with Answers

For more MCQ's Click Here

27) Which type of design problem in file system?

How the file system should look to the user

Algorithm and data structure must be created to map the logical file system onto the secondary storage device

Both (a) and (b)

None of these

Answer is:

Both (a) and (b)

28) Consider six files F1, F2, F3, F4, F5 and F6 of corresponding sizes 100, 200, 70, 40, 250 and 50 respectively. If the files are stored in such a manner to optimize access time, what will be the approximate average access time of a record from one of the six files on the sequential device ?

131

198

286

433

Answer is:

286

29) In MS-DOS, relocatable object files and load modules have extensions

.OBJ and .COM or .EXE respectively

.COM and .OBJ respectively

.EXE and .OBJ respectively

.DAS and .EXE respectively

Answer is:

.OBJ and .COM or .EXE respectively

30) Primitive disk operating system (POS) manages its disk files in contiguous blocks. A file is saved to the first available space that is large enough to hold the file. Assume that a disk has only 10 contiguous blocks of available free space. Which of the following set of file operations Fa=1, Fb=3, Fc=5, Fd=6 can not be completed given the set of files and file sizes specified below

save (ƒa), save (ƒb), save (ƒd), delete (ƒd), save (ƒc)

save (ƒc), save (ƒa), delete (ƒc), save (ƒd)

save (ƒd), save (ƒb), delete (ƒd), save (ƒc)

save (ƒb), save (ƒa), delete (ƒb), save (ƒd)

Answer is:

save (ƒc), save (ƒa), delete (ƒc), save (ƒd)

Operating System MCQ with Answers

For more MCQ's Click Here

26) Consider six files : F1, F2, F3, F4, F5, F6 with corresponding sizes 100, 200, 70, 40, 250 and 50 respectively, the files are to be stored on a sequential device in such a way that as to optimize access time. In what order should the files be stored?

F4, F6, F3, F1 F2, F5

Operating System MCQ with Answers

Related Operating System MCQ with Answers

27) Which type of design problem in file system?

Both (a) and (b)

28) Consider six files F1, F2, F3, F4, F5 and F6 of corresponding sizes 100, 200, 70, 40, 250 and 50 respectively. If the files are stored in such a manner to optimize access time, what will be the approximate average access time of a record from one of the six files on the sequential device ?

286

29) In MS-DOS, relocatable object files and load modules have extensions

.OBJ and .COM or .EXE respectively

save (ƒc), save (ƒa), delete (ƒc), save (ƒd)

Operating System MCQ with Answers